Merge pull request #8570 from AlisterH/ticket20665

Expression calculator: clarify documentation for x_at() and y_at() (addresses #20665)
qgis · Nov 29, 2018 · f93af56 · f93af56
2 parents 318c246 + 5256611
commit f93af56
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diff --git a/resources/function_help/json/$x_at b/resources/function_help/json/$x_at
@@ -2,7 +2,7 @@
   "name": "$x_at",
   "type": "function",
   "description": "Retrieves a x coordinate of the current feature's geometry.",
-  "arguments": [ {"arg":"i","description":"index of point of a line (indices start at 0; negative values apply from the last index)"}],
+  "arguments": [ {"arg":"i","description":"index of point of a line (indices start at 0; negative values apply from the last index, starting at -1)"}],
   "examples": [ { "expression":"$x_at(1)", "returns":"5"}
   ]
 }
diff --git a/resources/function_help/json/$y_at b/resources/function_help/json/$y_at
@@ -2,7 +2,7 @@
   "name": "$y_at",
   "type": "function",
   "description": "Retrieves a y coordinate of the current feature's geometry.",
-  "arguments": [ {"arg":"i","description":"index of point of a line (indices start at 0; negative values apply from the last index)"}],
+  "arguments": [ {"arg":"i","description":"index of point of a line (indices start at 0; negative values apply from the last index, starting at -1)"}],
   "examples": [ { "expression":"$y_at(1)", "returns":"2"}
   ]
 }